Invalid Data Received From Mirror Control Module
The U0447 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Mirror Control Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $100 - $400 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Auto-dimming mirror not working
- Mirror not folding
- Power mirror adjustment erratic
- Blind spot indicator in mirror not working
- Mirror heater not functioning
Probable Causes (Ranked by Likelihood)
- Failed mirror control module Very High
- Mirror motor burnout High
- CAN bus data error Moderate
- Mirror wiring harness damage Low
Step-by-Step Diagnostic Procedure
-
Check mirror fuse
-
Test mirror motor operation
-
Scan mirror module for codes
-
Inspect mirror wiring at door hinge
Frequently Asked Questions
Can I drive with U0447?
Yes. Manually adjust mirrors and check blind spots by turning your head.
What causes U0447?
Usually a failed mirror module or motor. Mirror wiring at the door hinge can also break.
How much does U0447 cost to fix?
Typically $100 to $400.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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